<template>
  <div class="login-container">
    <!-- Form 组件提供了表单验证的功能，只需要通过 rules 属性传入约定的验证规则 -->
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">系统登陆</h3>
      </div>
      <!-- Form-Item 的 prop 属性设置为需校验的字段名即可。 -->
      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model="loginForm.mobile"
          placeholder="请输入账号"
          name="mobile"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <!-- .native属性  监听input的原生事件 -->
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      
      <el-button
        class="loginBtn"
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
        >登录</el-button
      >

      <div class="tips">
        <span style="margin-right: 20px">账号: 13800000002</span>
        <span> 密码: 123456</span>
      </div>
    </el-form>
  </div>
</template>


<script>
import { validMobile } from "@/utils/validate";
import { mapActions } from 'vuex';
export default {
  name: "Login",
  data() {

    // 验证手机号是否正确 调用封装的函数
    const validateMobile = (rule, value, callback) => {
      // if (!validUsername(value)) {
      //   callback(new Error('Please enter the correct user name'))
      // } else {
      //   callback()
      // }
      validMobile(value) ? callback() : callback(new Error("手机号格式不正确"));
    };
    return {
      loginForm: {
        mobile: "13800000002",
        password: "123456",
      },
      loginRules: {
        mobile: [
          {
            // 判断是否填入
            required: true,
            trigger: "blur",
            message: "手机号不能为空",
          },
          {
            // 自定义函数 判断是否格式正确
            validator: validateMobile,  // 封装判断方法 返回结果
            trigger:'blur'
          }
        ],
        password: [
          {
            required: true,
            trigger: "blur",
            message: "密码不能为空",
          },
          {
            // 判断格式 直接使用方法 未封装
            min: 6, max: 16, message: '密码的长度在6-16位之间 ', trigger: 'blur'
          }
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  methods: {
    // 密码展示隐藏
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    // 引入辅助函数 action
    ...mapActions(['user/login']),
    // 处理登录
    handleLogin() {
      this.$refs.loginForm.validate(async (isOk) =>{
        if(isOk){
          // 验证成功
          try{
            this.loading = true;
            // 调用actions的方法传递手机号与密码
            // console.log('验证成功')
            await this['user/login'](this.loginForm)
            // 路由跳转
            this.$router.push('/')
          }catch(error){
            console.log(error);
          }finally{
            this.loading = false
          }
        }else{
          // 验证失败
          console.log('err submit!');
          return false
        }
      })
    },
    
  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #0e0f10;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: #000)) {
  .login-container .el-input input {
    color: $cursor;
  }
}
/* reset element-ui css */
.login-container {
  // 注意 @ 前需要加 ~
  background: url("~@/assets/common/login.png");
  // background-position: center; // 将整个图片设置为充满整个屏幕
  background-color: #000;
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: #000;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7);
    border-radius: 5px;
    color: #454545;
  }
  .loginBtn {
    background-color: #407ffe;
    height: 64px;
    line-height: 32px;
    font-size: 24px;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #000;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: #000;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
